Bump ember-router-scroll from 2.0.1 to 3.3.2

Bumps [ember-router-scroll](https://github.com/dockyard/ember-router-scroll) from 2.0.1 to 3.3.2.
- [Release notes](https://github.com/dockyard/ember-router-scroll/releases)
- [Changelog](https://github.com/DockYard/ember-router-scroll/blob/master/CHANGELOG.md)
- [Commits](DockYard/ember-router-scroll@2.0.1...3.3.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]